/* ═══════════ RESET & BASE ═══════════ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy: #0D2240;
    --dark-navy: #091A33;
    --med-blue: #1A3A6C;
    --accent-red: #D32F2F;
    --accent-orange: #E64A19;
    --dark-text: #2D2D2D;
    --med-gray: #666666;
    --light-gray: #D8D8D8;
    --very-light-gray: #F0F0F0;
    --pale-bg: #F5F5F5;
    --white: #FFFFFF;
    --shadow: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-hover: 0 20px 60px rgba(0,0,0,0.2);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-text);
    background: var(--white);
    overflow-x: hidden;
    line-height: 1.7;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ═══════════ NAVBAR ═══════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(13, 34, 64, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 45px;
    transition: var(--transition);
    background: var(--white);
    padding: 4px 10px;
    border-radius: 6px;
}

.navbar.scrolled .nav-logo img {
    height: 35px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-links a {
    color: var(--white);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
    letter-spacing: 0.3px;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(211, 47, 47, 0.2);
    color: var(--white);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 60%;
}

/* Dropdown menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(13, 34, 64, 0.97);
    backdrop-filter: blur(20px);
    border-radius: 8px;
    min-width: 260px;
    padding: 8px 0;
    list-style: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
    z-index: 1002;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.85);
    border-radius: 0;
    white-space: nowrap;
}

.dropdown-menu li a::after {
    display: none;
}

.dropdown-menu li a:hover {
    background: rgba(211, 47, 47, 0.2);
    color: var(--white);
}

.dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.7rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ═══════════ HERO SECTION ═══════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(13, 34, 64, 0.6) 0%, rgba(0, 0, 0, 0.85) 100%),
        linear-gradient(180deg, rgba(0,0,0,0.4) 0%, transparent 40%, transparent 60%, rgba(0,0,0,0.6) 100%);
}

/* Floating geometric shapes */
.hero-shapes {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border: 2px solid rgba(211, 47, 47, 0.15);
    border-radius: 50%;
    animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -80px;
    right: -60px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 10%;
    left: -40px;
    border-color: rgba(255,255,255,0.08);
    animation-delay: -5s;
    animation-duration: 25s;
}

.shape-3 {
    width: 120px;
    height: 120px;
    top: 30%;
    right: 15%;
    border-color: rgba(255,255,255,0.06);
    animation-delay: -10s;
    animation-duration: 18s;
}

.shape-4 {
    width: 80px;
    height: 80px;
    bottom: 25%;
    right: 30%;
    border-color: rgba(211, 47, 47, 0.1);
    animation-delay: -7s;
    animation-duration: 22s;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(90deg); }
    50% { transform: translate(-20px, 20px) rotate(180deg); }
    75% { transform: translate(15px, 10px) rotate(270deg); }
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    text-align: center;
    padding: 120px 40px 100px;
}

.hero-center {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 6px 24px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50px;
    color: rgba(255,255,255,0.8);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.05);
}

.hero-logo {
    max-width: 260px;
    margin: 0 auto 35px;
    display: block;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    color: var(--white);
    margin-bottom: 20px;
}

.title-line {
    display: block;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 3px;
    line-height: 1.4;
    opacity: 0.9;
}

.title-accent {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 8px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--white) 0%, #90CAF9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 5px;
}

.hero-tagline {
    font-size: 1rem;
    color: var(--accent-red);
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 45px;
    position: relative;
    display: inline-block;
}

.hero-tagline::before,
.hero-tagline::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--accent-red);
}

.hero-tagline::before { right: calc(100% + 15px); }
.hero-tagline::after { left: calc(100% + 15px); }

/* CTA Buttons */
.hero-cta-group {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 15px 38px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
}

.cta-button.primary {
    background: var(--accent-red);
    color: var(--white);
    box-shadow: 0 5px 25px rgba(211, 47, 47, 0.4);
}

.cta-button.primary:hover {
    background: #b71c1c;
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(211, 47, 47, 0.5);
}

.cta-button.secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.4);
}

.cta-button.secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    transform: translateY(-3px);
}

/* Product ticker at bottom */
.hero-ticker {
    position: absolute;
    bottom: 60px;
    left: 0;
    width: 100%;
    z-index: 3;
    overflow: hidden;
    padding: 12px 0;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ticker-track {
    display: flex;
    gap: 0;
    animation: tickerScroll 25s linear infinite;
    white-space: nowrap;
    width: max-content;
}

.ticker-item {
    color: rgba(255,255,255,0.7);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0 20px;
}

.ticker-sep {
    color: var(--accent-red);
    font-size: 0.7rem;
    padding: 0 5px;
    display: flex;
    align-items: center;
}

@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.hero-scroll-indicator span {
    color: rgba(255,255,255,0.5);
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ═══════════ FADE IN ANIMATIONS ═══════════ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════ SCROLL REVEAL ═══════════ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ═══════════ SECTION HEADERS ═══════════ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.accent-line {
    width: 80px;
    height: 4px;
    background: var(--accent-red);
    margin: 0 auto;
    border-radius: 2px;
}

.accent-line.white {
    background: var(--white);
}

.section-subtitle {
    color: var(--med-gray);
    font-size: 1.05rem;
    margin-top: 15px;
}

/* ═══════════ ABOUT SECTION ═══════════ */
.about-section {
    padding: 100px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 60px;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--dark-text);
    margin-bottom: 18px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--navy);
    color: var(--white);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.stat-number::after {
    content: '+';
    font-size: 1.8rem;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.85;
}

.vision-mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.vm-card {
    background: var(--pale-bg);
    padding: 40px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-red);
    transition: var(--transition);
}

.vm-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.vm-icon {
    font-size: 1.5rem;
    color: var(--accent-red);
    margin-bottom: 15px;
}

.vm-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 12px;
}

.vm-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--med-gray);
}

/* ═══════════ PRODUCTS OVERVIEW ═══════════ */
.products-overview {
    padding: 100px 0;
    background: var(--pale-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-card-img {
    height: 220px;
    overflow: hidden;
    background: var(--very-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-card-img img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    transition: transform 0.6s ease;
}

.product-card:hover .product-card-img img {
    transform: scale(1.08);
}

.product-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    padding: 20px 25px 8px;
}

.product-card p {
    font-size: 0.88rem;
    color: var(--med-gray);
    padding: 0 25px 25px;
    line-height: 1.6;
}

/* ═══════════ PRODUCT DETAIL SECTIONS ═══════════ */
.product-detail {
    padding: 100px 0;
    position: relative;
}

.product-detail.alt-bg {
    background: var(--pale-bg);
}

.product-number {
    margin-bottom: 15px;
}

.product-number span {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: var(--navy);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 60px;
    text-align: center;
    border-radius: 10px;
}

.product-header {
    margin-bottom: 40px;
}

.product-header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.15;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.product-header .accent-line {
    margin: 0;
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 50px;
}

.product-desc p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--dark-text);
}

.product-main-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--very-light-gray);
    padding: 20px;
}

.product-main-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

.subsection-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--accent-red);
    display: inline-block;
}

.product-subsection {
    margin-bottom: 50px;
}

/* ═══════════ FEATURES ═══════════ */
.features-section {
    margin-bottom: 50px;
}

.features-section h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 25px;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--accent-red);
    display: inline-block;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    background: var(--white);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--dark-text);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.product-detail.alt-bg .feature-item {
    background: var(--white);
}

.feature-item:hover {
    border-left-color: var(--accent-red);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.feature-check {
    color: var(--accent-red);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ═══════════ SUB-PRODUCTS GALLERY ═══════════ */
.sub-products h3,
.sub-products h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 25px;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--accent-red);
    display: inline-block;
}

.sub-products h4 {
    font-size: 1.1rem;
}

.sub-products-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.sub-products-gallery.four-col {
    grid-template-columns: repeat(4, 1fr);
}

.sub-product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    cursor: pointer;
}

.product-detail.alt-bg .sub-product-card {
    background: var(--white);
}

.sub-product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.sub-product-img {
    height: 220px;
    overflow: hidden;
    background: var(--very-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.sub-product-img img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.sub-product-card:hover .sub-product-img img {
    transform: scale(1.05);
}

.sub-product-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--navy);
    padding: 15px 18px 8px;
    border-bottom: none;
    margin-bottom: 0;
}

.sub-product-card p {
    font-size: 0.82rem;
    color: var(--med-gray);
    padding: 0 18px 18px;
    line-height: 1.5;
}

/* ═══════════ 3D HOVER EFFECT ═══════════ */
.hover-3d {
    perspective: 800px;
    transform-style: preserve-3d;
}

.hover-3d:hover {
    transform: translateY(-8px) rotateY(5deg) rotateX(2deg);
}

/* ═══════════ 360 ROTATE EFFECT ═══════════ */
.rotate-3d {
    perspective: 1200px;
    transform-style: preserve-3d;
}

.rotate-3d img {
    transition: transform 0.6s ease;
}

.rotate-3d:hover img {
    transform: rotateY(15deg) scale(1.02);
}

/* ═══════════ CONTACT SECTION ═══════════ */
.contact-section {
    padding: 100px 0;
    background: var(--navy);
    color: var(--white);
}

.contact-section .section-header h2 {
    color: var(--white);
}

.contact-grid {
    max-width: 700px;
    margin: 0 auto;
}

.contact-logo {
    max-width: 200px;
    margin-bottom: 25px;
}

.contact-info h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 22px;
    align-items: flex-start;
}

.contact-icon {
    width: 35px;
    height: 35px;
    background: var(--accent-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    margin-top: 3px;
}

.contact-item strong {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 3px;
    color: var(--accent-red);
}

.contact-item p {
    font-size: 0.92rem;
    opacity: 0.9;
    line-height: 1.6;
}


/* ═══════════ FOOTER ═══════════ */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: 25px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255,255,255,0.04);
    white-space: nowrap;
    letter-spacing: 8px;
    pointer-events: none;
}

.footer p {
    font-size: 0.85rem;
    opacity: 0.6;
    position: relative;
    z-index: 1;
}

/* ═══════════ LIGHTBOX ═══════════ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.lightbox.active {
    display: flex;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10000;
}

.lightbox-close:hover {
    transform: rotate(90deg);
    color: var(--accent-red);
}

.lightbox-img {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    animation: lightboxIn 0.4s ease;
}

@keyframes lightboxIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sub-products-gallery.four-col {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-content {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 5px;
        transition: right 0.4s ease;
        box-shadow: -5px 0 30px rgba(0,0,0,0.3);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1rem;
        padding: 12px 15px;
    }

    /* Mobile dropdown */
    .nav-dropdown {
        flex-direction: column;
    }

    .dropdown-menu {
        position: static;
        background: rgba(255,255,255,0.05);
        backdrop-filter: none;
        min-width: 100%;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-dropdown:hover .dropdown-menu {
        display: none;
    }

    .nav-dropdown.open .dropdown-menu {
        display: block;
        max-height: 400px;
    }

    .dropdown-menu li a {
        padding: 10px 30px;
        font-size: 0.9rem;
    }

    .hamburger {
        display: flex;
    }

    .hero-content {
        padding: 100px 20px 110px;
    }

    .title-line {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .title-accent {
        font-size: 2.2rem;
        letter-spacing: 4px;
    }

    .hero-logo {
        max-width: 200px;
    }

    .hero-tagline::before,
    .hero-tagline::after {
        display: none;
    }

    .hero-ticker {
        bottom: 50px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .vision-mission-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-header h2 {
        font-size: 2rem;
    }

    .sub-products-gallery {
        grid-template-columns: 1fr 1fr;
    }

    .sub-products-gallery.four-col {
        grid-template-columns: 1fr 1fr;
    }

    .footer-watermark {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .title-line {
        font-size: 0.95rem;
    }

    .title-accent {
        font-size: 1.8rem;
        letter-spacing: 3px;
    }

    .hero-logo {
        max-width: 180px;
    }

    .sub-products-gallery,
    .sub-products-gallery.four-col {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .product-number span {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        line-height: 50px;
    }
}